/* ═══════════════════════════════════════════════════════════════════════════
   Rectify — Custom Stylesheet
   Dark-themed, premium aesthetic layered on top of Bulma.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ────────────────────────────────────────────────── */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-elevated: #242837;
    --accent: #6c63ff;
    --accent-hover: #817af8;
    --accent-glow: rgba(108, 99, 255, 0.25);
    --text-primary: #e8e8ed;
    --text-secondary: #9ca0b0;
    --border-color: #2e3244;
    --overlay-color: rgba(108, 99, 255, 0.6);
    --success-color: #2dd4a8;
    --danger-color: #f45b69;
    --warning-color: #fbbf24;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--accent-glow);
}

/* ── Global Reset & Base ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    background-color: var(--bg-primary);
    scrollbar-color: var(--bg-elevated) var(--bg-primary);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Typography ───────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

.title,
.subtitle {
    color: var(--text-primary) !important;
}

.subtitle {
    color: var(--text-secondary) !important;
}

/* ── Navbar ───────────────────────────────────────────────────────────────── */
.navbar.is-dark {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.app-logo {
    font-size: 1.15rem;
    letter-spacing: 0.5px;
    color: var(--accent) !important;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.app-logo:hover {
    color: var(--accent-hover) !important;
}

.navbar-logo {
    width: 24px;
    height: 24px;
    /* Tint black SVG to accent color (#6c63ff) */
    filter: invert(37%) sepia(80%) saturate(3000%) hue-rotate(235deg) brightness(100%) contrast(101%);
    transition: filter var(--transition-fast);
}

.app-logo:hover .navbar-logo {
    filter: invert(50%) sepia(60%) saturate(2000%) hue-rotate(230deg) brightness(110%) contrast(100%);
}

/* ── Upload Dropzone ──────────────────────────────────────────────────────── */
.dropzone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-elevated) 100%);
    cursor: pointer;
    transition: border-color var(--transition-normal),
        background var(--transition-normal),
        box-shadow var(--transition-normal);
    outline: none;
}

.dropzone:hover,
.dropzone:focus-visible {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, var(--bg-elevated) 0%, #1e2235 100%);
}

.dropzone.drag-over {
    border-color: var(--accent);
    background: rgba(108, 99, 255, 0.08);
    box-shadow: var(--shadow-glow), inset 0 0 40px rgba(108, 99, 255, 0.05);
}

.dropzone-content {
    text-align: center;
    pointer-events: none;
}

.dropzone .has-text-primary {
    color: var(--accent) !important;
}

/* ── Toolbar ──────────────────────────────────────────────────────────────── */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toolbar .label {
    margin-bottom: 0 !important;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.button.is-dark {
    background-color: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.button.is-dark:hover {
    background-color: #2e3244;
    border-color: var(--accent);
    color: var(--text-primary);
}

.button.is-dark.is-static {
    background-color: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.button.is-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #8b83f7 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 8px var(--accent-glow);
}

.button.is-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, #9d96fa 100%);
    box-shadow: 0 4px 16px var(--accent-glow);
    transform: translateY(-1px);
}

.button.is-warning {
    background-color: transparent;
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
}

.button.is-warning:hover {
    background-color: rgba(251, 191, 36, 0.1);
}

/* Icon-only buttons — uniform square size */
.btn-icon {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

/* Static icon addon for select — matches select height */
.btn-select-addon {
    height: 36px !important;
    width: 36px !important;
    min-width: 36px;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    border-right: none !important;
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

/* Text+icon action buttons — uniform height */
.btn-action {
    height: 36px !important;
    font-size: 0.85rem;
    padding-left: 0.85em;
    padding-right: 0.85em;
}

/* Lock ratio active state */
.btn-icon.is-active {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
    box-shadow: 0 0 10px var(--accent-glow);
}

.btn-icon.is-active:hover {
    background-color: var(--accent-hover) !important;
}

/* ── Toolbar Divider ─────────────────────────────────────────────────────── */
.toolbar-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    flex-shrink: 0;
}

/* ── Color Picker ────────────────────────────────────────────────────────── */
.color-picker-wrapper {
    position: relative;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: border-color var(--transition-fast);
    cursor: pointer;
}

.color-picker-wrapper:hover {
    border-color: var(--accent);
}

.color-picker-wrapper input[type="color"] {
    position: absolute;
    top: -4px;
    left: -4px;
    width: calc(100% + 8px);
    height: calc(100% + 8px);
    border: none;
    padding: 0;
    cursor: pointer;
    background: none;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

.color-picker-wrapper input[type="color"]::-moz-color-swatch {
    border: none;
    border-radius: 2px;
}

/* ── Select / Dropdown ────────────────────────────────────────────────────── */
.select.is-dark select {
    background-color: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    height: 36px !important;
    font-size: 0.85rem;
}

/* When select is inside has-addons, remove left radius to merge with addon */
.field.has-addons .select.is-dark select {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.select.is-dark select:hover,
.select.is-dark select:focus {
    border-color: var(--accent);
}

.select.is-dark::after {
    border-color: var(--accent) !important;
}

/* ── Range Slider ─────────────────────────────────────────────────────────── */
input[type="range"].slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 4px;
    background: var(--bg-elevated);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

input[type="range"].slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 6px var(--accent-glow);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

input[type="range"].slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"].slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 6px var(--accent-glow);
    cursor: pointer;
}

/* ── Editor Canvas ────────────────────────────────────────────────────────── */
.editor-canvas-wrapper {
    display: flex;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-height: 400px;
    overflow: hidden;
}

.editor-canvas {
    position: relative;
    max-width: 100%;
    max-height: 75vh;
}

#editor-image {
    display: block;
    max-width: 100%;
    max-height: 75vh;
}

/* ── SVG Overlay ──────────────────────────────────────────────────────────── */
.overlay-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    overflow: visible;
}

/* ── Crop Info ────────────────────────────────────────────────────────────── */
.crop-info {
    display: flex;
    gap: 0.5rem;
}

.crop-info .tag.is-dark {
    background-color: var(--bg-elevated);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
}

/* ── Download Modal ───────────────────────────────────────────────────────── */
.modal-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.modal-card-head {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.modal-card-title {
    color: var(--text-primary);
}

.modal-card-body {
    background-color: var(--bg-primary);
}

.modal-card-foot {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.preview-img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}

/* ── Quality Control (modal) ─────────────────────────────────────────────── */
.quality-control {
    padding: 1rem 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.quality-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quality-row .label {
    margin-bottom: 0 !important;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.quality-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.quality-slider-wrapper .slider {
    flex: 1;
    width: auto;
}

/* ── Loading Overlay ──────────────────────────────────────────────────────── */
.loading-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 17, 23, 0.8);
    backdrop-filter: blur(4px);
    z-index: 100;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--bg-elevated);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Notification ─────────────────────────────────────────────────────────── */
.notification.is-danger.is-light {
    background-color: rgba(244, 91, 105, 0.1);
    border: 1px solid rgba(244, 91, 105, 0.3);
    color: var(--danger-color);
}

/* ── Cropper.js Overrides ─────────────────────────────────────────────────── */
.cropper-view-box {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.cropper-line {
    background-color: var(--accent);
}

.cropper-point {
    background-color: var(--accent);
    width: 8px !important;
    height: 8px !important;
    border-radius: 50%;
    opacity: 1;
}

.cropper-modal {
    background-color: rgba(15, 17, 23, 0.65);
}

.cropper-dashed {
    border-color: rgba(108, 99, 255, 0.3);
}

/* ── Hero Text Gradient ───────────────────────────────────────────────────── */
.hero-text .title {
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media screen and (max-width: 768px) {
    .toolbar {
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .toolbar-group {
        flex-wrap: wrap;
    }

    .dropzone {
        min-height: 220px;
    }

    input[type="range"].slider {
        width: 70px;
    }
}

/* ── Subtle background pattern ────────────────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px,
            rgba(108, 99, 255, 0.03) 1px, transparent 0);
    background-size: 30px 30px;
    pointer-events: none;
    z-index: -1;
}